Class: CASServer::Controllers::Logout

Inherits:

R

• Object
• R
• CASServer::Controllers::Logout

Includes:

CASServer::CAS

Defined in:

lib/casserver/controllers.rb

Overview

2.3

Instance Method Summary

• #get ⇒ Object

  2.3.1.

Methods included from CASServer::CAS

clean_service_url, #generate_login_ticket, #generate_proxy_granting_ticket, #generate_proxy_ticket, #generate_service_ticket, #generate_ticket_granting_ticket, #send_logout_notification_for_service_ticket, #service_uri_with_ticket, #validate_login_ticket, #validate_proxy_granting_ticket, #validate_proxy_ticket, #validate_service_ticket, #validate_ticket_granting_ticket

Instance Method Details

#get ⇒ Object

2.3.1

# File 'lib/casserver/controllers.rb', line 213

def get
  CASServer::Utils::log_controller_action(self.class, input)
  
  # The behaviour here is somewhat non-standard. Rather than showing just a blank
  # "logout" page, we take the user back to the login page with a "you have been logged out"
  # message, allowing for an opportunity to immediately log back in. This makes it
  # easier for the user to log out and log in as someone else.
  @service = clean_service_url(input['service'] || input['destination'])
  @continue_url = input['url']
  
  @gateway = input['gateway'] == 'true' || input['gateway'] == '1'
  
  tgt = CASServer::Models::TicketGrantingTicket.find_by_ticket(cookies['tgt'])
  
  cookies.delete 'tgt'
  
  if tgt
    CASServer::Models::TicketGrantingTicket.transaction do
      $LOG.debug("Deleting Service/Proxy Tickets for '#{tgt}' for user '#{tgt.username}'")
      tgt.granted_service_tickets.each do |st|
        send_logout_notification_for_service_ticket(st) if $CONF.enable_single_sign_out
        # TODO: Maybe we should do some special handling if send_logout_notification_for_service_ticket fails?
        #       (the above method returns false if the POST results in a non-200 HTTP response).
        $LOG.debug "Deleting #{st.class.name.demodulize} #{st.ticket.inspect} for service #{st.service}."
        st.destroy
      end

      pgts = CASServer::Models::ProxyGrantingTicket.find(:all,
        :conditions => [CASServer::Models::Base.connection.quote_table_name(CASServer::Models::ServiceTicket.table_name)+".username = ?", tgt.username],
        :include => :service_ticket)
      pgts.each do |pgt|
        $LOG.debug("Deleting Proxy-Granting Ticket '#{pgt}' for user '#{pgt.service_ticket.username}'")
        pgt.destroy
      end
      
      $LOG.debug("Deleting #{tgt.class.name.demodulize} '#{tgt}' for user '#{tgt.username}'")
      tgt.destroy
    end  
    
    $LOG.info("User '#{tgt.username}' logged out.")
  else
    $LOG.warn("User tried to log out without a valid ticket-granting ticket.")
  end
  
  @message = {:type => 'confirmation', :message => _("You have successfully logged out.")}
  
  @message[:message] +=_(" Please click on the following link to continue:") if @continue_url
  
  @lt = generate_login_ticket
  
  if @gateway && @service
    redirect(@service, :status => 303)
  elsif @continue_url
    render :logout
  else
    render :login
  end
end